/*
 * Wire
 * Copyright (C) 2024 Wire Swiss GmbH
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see http://www.gnu.org/licenses/.
 *
 */

import {useEffect} from 'react';

import {create} from 'zustand';

type ActiveWindowState = {
  activeWindow: Window;
  setActiveWindow: (newWindow: Window) => void;
};

export const useActiveWindowState = create<ActiveWindowState>((set, get) => ({
  activeWindow: window,
  setActiveWindow: (newWindow: Window) => set({activeWindow: newWindow}),
}));

export const useActiveWindow = (windowObj: Window | null) => {
  const {setActiveWindow} = useActiveWindowState();

  const windowRef = windowObj || window;

  useEffect(() => {
    const handleFocus = () => setActiveWindow(windowRef);

    windowRef.addEventListener('focus', handleFocus);

    return () => {
      windowRef.removeEventListener('focus', handleFocus);
    };
  }, [setActiveWindow, windowRef]);
};
